M7.3 Flashcards
Which tool would be used to create or repair threaded holes and bolts in aircraft components?
A) File
B) Tap and die
C) Deburring tool
B) Tap and die
What is the primary material used for the shank of a screwdriver?
A) Aluminum
B) Carbon steel
C) Plastic
B) Carbon steel
What is the main advantage of a socket drive screwdriver over traditional screwdrivers?
A) It can accept multiple bits for different types of screws
B) It is smaller and more portable
C) It has a non-conductive handle
A) It can accept multiple bits for different types of screws
Which part of a screwdriver is made from hardened material to ensure long life and durability?
A) Shank
B) Handle
C) Blade (Tip)
C) Blade (Tip)
What is the recommended minimum amount of a screw slot that the screwdriver tip must fill to avoid slipping or damage?
A) 50%
B) 75%
C) 90%
B) 75%
What should NOT be done with a slotted screwdriver on an aircraft?
A) Used to tighten slotted head screws
B) Used as a pry bar or scraper
C) Used to mount electrical relays
B) Used as a pry bar or scraper
What purpose do the white witness lines on DZUS fasteners serve?
A) To indicate the fasteners are in the unlocked position
B) To show the fasteners are in the locked position
C) To indicate that the fasteners need lubrication
B) To show the fasteners are in the locked position
What is the unique feature of a Phillips screwdriver that helps prevent slipping during use?
A) A flat, straight tip
B) A cross-shaped tip
C) A magnetic handle
B) A cross-shaped tip
What is the typical point angle of a Phillips screwdriver?
A) 15°
B) 30°
C) 45°
B) 30°
It is also slightly blunted at the end.
What is the main risk associated with using the wrong size Phillips screwdriver?
A) Over-tightening the screw
B) Breaking the handle
C) Rounding or cam-out of the screw head
C) Rounding or cam-out of the screw head
What is another name for screws that use an Internal Hex driver?
A) Torx screws
B) Allen Key screws
C) Phillips screws
B) Allen Key screws
How does the design of a Torq-set screwdriver bit differ from a Phillips screwdriver bit?
A) The cross is offset
B) The tip is larger in size
C) The tip is round instead of cross-shaped
A) The cross is offset
What is the primary purpose of a screw extractor tool?
A) To remove extremely tight fasteners or those with slightly damaged heads
B) To install new fasteners quickly
C) To measure the torque on a fastener
A) To remove extremely tight fasteners or those with slightly damaged heads
What is required to operate the screw extractor tool?
A) An electric drill and a set of drill bits
B) A normal ratchet wrench and the correct size screwdriver bit
C) A special hydraulic tool for increased force
B) A normal ratchet wrench and the correct size screwdriver bit
What happens if the screw extractor method fails due to excessive damage to the fastener head?
A) More specialized tools like drilling and ‘Ezy-out’ are needed
B) The screw will be permanently stuck and cannot be removed
C) The fastener is replaced with a different type of screw
A) More specialized tools like drilling and ‘Ezy-out’ are needed
